This is a set, so you need to it by yourself, which can your manipulative .It can work effectively in broadband, overlapping radio amateur HF bands from 1.8mhz to 50MHz.The max current consumption is 400mAh, and it with 7 inductance and 7 capacitance.It is easy to carry, so you can take it with you to anywhere you to use it.With the OLED screen, which can let you see clearly the data, give you a better using experience.Step for measurement on powers under 10 : 0.1 wattStep for measurement on powers above 10 : 1 wattPower measurement accuracy : 10%Maximum inductance set: 8.53uH step for setting inductance: 0.05uHMaximum installed capacitance: 1869pF installed capacitance: 10pFTypes:DIY kitColour:blackMaterial:plasticSize:about 128 x 62 x 20mm OLED size: 28 x 27mm / 1.1 x 1.1inweight: 129g / 4.6ouncePackage Contents:1 x PCB1 x OLED1 x AccessoryOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.